Life?PEER REVIEWED

Can Building Blocks for Life Survive Harsh Space Radiation?

By Space.Fan Editorial DeskSeptember 20, 2026 at 2:02 PM UTC

Scientists tested how a special chemical related to energy production holds up against the intense UV light found on Mars.

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The Drop

To find life on other s, we need to know what signs to look for. Scientists are studying chemicals called biosignatures, which are like fingerprints left behind by living things. On s like Mars, these signs face a major enemy: ultraviolet light. UV rays from the sun are very strong and can break apart the delicate molecules that make up life as we know it. To see if these signs could last over time, researchers studied a substance called 1-methylnicotinamide chloride. This molecule is similar to NAD+, a chemical that helps cells create energy. The team used solid thin-layer samples to mimic how these molecules might sit on the surface of another world. By hitting these samples with intense UV light, they could measure how long the chemical stayed stable and how fast it fell apart. This helps us understand if the chemical fingerprints of life can survive in space environments.

Why It Matters

This research is important because it changes how we interpret data from robotic missions. If we find chemicals on Mars, we need to know if they could have survived there for millions of years or if they were destroyed by the sun. By knowing which molecules are tough and which are fragile, scientists can pick better spots to look for evidence of past life.

The Catch

This study was done in a controlled laboratory setting. Real space conditions are much more complex. On the surface of Mars, chemicals are mixed with dust, soil, and rocks, which might protect them from UV rays. This study only looked at the chemical by itself, so we do not yet know exactly how the natural Martian surface might change these results.

Put That in Perspective

Scientists are working to build a database of how different life-related molecules react to space weather. Future studies will likely look at how these chemicals behave when mixed with simulated Martian soil to get a more realistic picture of the planet's surface.

Source September 20, 2026

Astrobiology